Finding the Fourth Proportional to 5,376,197.17, 7,419,165.64 and 2,928,826.05
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Solution
The fourth proportional to 5,376,197.17, 7,419,165.64 and 2,928,826.05 is: 4,041,787.32
Step by Step Solution
- Step 1: Write the proportion equation
5,376,197.17 : 7,419,165.64 = 2,928,826.05 : x - Step 2: Convert to fraction form
5,376,197.17/7,419,165.64 = 2,928,826.05/x - Step 3: Cross multiply
5,376,197.17x = 7,419,165.64 × 2,928,826.05 - Step 4: Simplify right side
5,376,197.17x = 21,729,445,560,552.99 - Step 5: Solve for x
x = 21,729,445,560,552.99/5,376,197.17 - Step 6: Final answer
x = 4,041,787.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.